Window-screen.



S. C. PORTER.

WINDOW SCREEN. APPLICATION FILED ocnz. ms.

Patentefl Mar. 27, 1917.

"fi oallwkom it may r Be -it known that I, SIDNEY C; PORTER,

snare. rename, or

nns'r mvnnroon, omo.

wntnow-isenn'nn.

Appli eati on filed October "citi'zenfof the United States,residing at East Liverpool, in county of Columbiana and State of Ohio, have invented certain new and nsefullmprovements in Window- Screens, of which the followingis alspeci fication. i H Y My invention relates to an improvement in window screens, and the object'is to'provide a frame 'which .is' capable 'of being adjustedto difi'erent-sized window openings.

The invention consists in certain other novel features of construction and combinations of partswh1ch wi'll be described and pointed out in the claims.

' .7 In the accompanying drawings;

the groove of he 1 Figure lis a view'in elevation;

Fig. 2 is atop plan view.'

*A andB' represent the side rail's of the' frame, which are adapted to be received window frame in which the sashes slide, and with flanges'l.

Connected to thesegrails are provided the flanges at i the top I and some other rust-proof material;

, vertically, and are adapted to bemade to collapse,: and work on the principle of a bellows or an accordion;

i The strips 2 are preferably cbrriigatd;

a, 1915. Serial No.53,819.

that'wh'en the side rails are pushed together,

Speciflcaof Ler's Patent. .Pagtnemitoefl Mast; 191% That 'is,-the strips,2'are so eonstr'ucted I they will fold upon one anothergso that the frame canbe adjusted to fitithe Window and be held in place the expanding qualities 'of the strip 2-2. Supported upon 'the' strip 2 is a screening material 3, which may be of cloth or wire of a mesh-sufficiently fine to excludesoot', dust, insects, and the like.

Having fully described "my invention,

what I claim as newanddesire to secure by Letters Patent is: 1.]A- dow screen comprising side-rails,

'accordion plaited edge strips secured sthereto, and netting extending from one side rail to the other and supported-upon the strips, whereby the screen may be by its own expansion.

lengthened or shortened and held in place 2. "A window screen comprising side rails, v fcontinuous edge: strips secured'thereto,-and

netting extending from one side rail to the:- .other' and supported upon the strips, said 4; netting and strips having" bends or folds therein, whereby the screen maybe -lengthened or shortened and held-in placeby its 6'0 own expansion. I, V v V 'lintestimony whereof I aflix my signature,in' the'pres'ence of two witnesses SIDNEY-C. P-QBTER. Witnesses:

- {v F. J; Lenfinnon, Hanson, 

